NPPES file of Aug 9, 2026

Benjamin Olney Anderson

Surgical Oncology Physician · Seattle, WA

Benjamin Olney Anderson is a surgical oncology physician with a practice address in Seattle, Washington, and NPI 1942367487, issued on Jan 3, 2007. Check the license (Washington MD00031885, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942367487
Name
Benjamin Olney Anderson
Primary taxonomy
Surgical Oncology Physician 2086X0206X
License number
MD00031885 WA
Self-reported in NPPES; status is on the state search
Practice location
825 Eastlake Ave E, Seattle, WA 98109
Phone
(206) 288-1000
Enumerated
Jan 3, 2007
Record last updated
Mar 13, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicaid ID
1942367487 WA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 825 Eastlake Ave E

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Farnoush Abar, M.D.Hematology & Oncology Physician1558560342
  2. Francis Achacoso, MBA, MSN, RN, NE-BCRegistered Nurse1215604061
  3. Bamidele Adebayo, MDNeurological Surgery Physician1255176194
  4. Oyebimpe Adesina, MDHematology & Oncology Physician1184934770
  5. Shirali AgarwalHematology & Oncology Physician1972093052
  6. Ali AlgiraigriSpecialist1467880260

Verify Benjamin Olney Anderson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00031885
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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72% fewer Medicare Part D claims than the average surgical oncology physician in 2024

24 Medicare Part D claims, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D.

  1. Benjamin Anderson24
  2. Specialty average87

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Benjamin Olney Anderson among 35 surgical oncology physician records in Washington

Benjamin Olney Anderson is one of 35 surgical oncology physician records with a practice address in Washington. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 43% of them.

  • NPI issued2007 · 43% of these records are older, 46% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileNo · 77% of these records are
  • Record last updated2017 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Oncology Physician providers in Washington

There are 35 surgical oncology physician records in Washington.

The 8 surgical oncology physician records with the nearest ZIP codes

  1. Meghan Flanagan, MDSeattle, WA 981091962726521
  2. Peter Wu, M.D.Seattle, WA 981081134239981
  3. Mohamed Alassas, MDSeattle, WA 981041871609933
  4. Laura Lazarus, MDSeattle, WA 981041598792590
  5. Evan Ong, M.D.Seattle, WA 981041073541959
  6. Colin Rog, MDSeattle, WA 981041689170243
  7. Flavio Rocha, MDSeattle, WA 981011609938778
  8. Walter Holder, M.D.Seattle, WA 981221073580536

Common questions

What is Benjamin Olney Anderson's NPI number?

Benjamin Olney Anderson's National Provider Identifier (NPI) is 1942367487, issued on Jan 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Olney Anderson located?

The NPPES record lists a practice address at 825 Eastlake Ave E, Seattle, WA, 98109. Phone: (206) 288-1000. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Olney Anderson's license?

NPPES lists Washington license number MD00031885, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Benjamin Olney Anderson prescribe under Medicare Part D?

In 2024, Benjamin Olney Anderson had 24 Medicare Part D claims; the average among surgical oncology physician prescribers was 87. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.